(((extreme close up))), of a big beautiful ass from behind, (((red thong panties in her ass crack))), the woman pushes out her ass while she slowly takes off the thong panties, (the thong panties get stuck in her ass crack for a second before it falls down), . Create smooth, natural, cinematic motion without warping or deforming, Avoid adding artifacts, hallucinated objects, extra limbs, or distortions or unattached body parts. Produce a cohesive animation with stable details, consistent textures, and clean frame transitions, masterpiece, best quality, photorealistic, big